Context First MCP vs Iai Personal Memory E… | AllMCPs
Side-by-Side Model Context Protocol Comparison
Context First MCP vs Iai Personal Memory Engine
In-depth architectural comparison of the Context First MCP and Iai Personal Memory Engine MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Context First MCP
Knowledge & Memory · Local stdio
Quality: 52/100 (Good) | Auth: No auth required
Iai Personal Memory Engine
Knowledge & Memory · Local stdio
Quality: 67/100 (Great) | Auth: No auth required
Verdict Summary: Choose Context First MCP if you need specialized Knowledge & Memory tools running via a local process. Choose Iai Personal Memory Engine if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Context First MCP when:
You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Session memory, context health monitoring, reasoning quality, and truthfulness verification MCP server with 37 tools and tiered memory storage. npx -y context-first-mcp
Local memory daemon for any MCP-over-stdio client with three-tier storage (episodic/semantic/procedural). Own SQLite + hnswlib store (Hippo) with bge-small-en-v1.5, MIT-licensed community-detection reranking (MOSAIC), and sleep-cycle consolidation. AES-256-GCM encrypted at rest, no telemetry. Verbatim recall >=99% and post-contradiction Rescue@10 1.000 at honest scale. Ambient capture via shell hooks. Windows support in beta.
Tools & Capabilities Breakdown
Context First MCP Tools (36)
context_loop
One-call orchestrator.** Runs 8 stages (ingest→recap→conflict→ambiguity→entropy→abstention→discovery→synthesis) and returns a single `directive` with `action`, `contextHealth` score, extracted facts, and suggested next tools
recap_conversation
Extracts hidden intent, key decisions, and produces consolidated state summaries
detect_conflicts
Compares new input against ground truth; surfaces contradictions
check_ambiguity
Identifies underspecified requirements and generates clarifying questions
verify_execution
Validates whether tool outputs actually achieved the stated goal
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Context First MCP is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Iai Personal Memory Engine belongs to Knowledge & Memory using local stdio subprocess. Select Context First MCP when you need capabilities focused on knowledge & memory and Iai Personal Memory Engine when you require tools for knowledge & memory.
Proxy-entropy scoring via lexical diversity, contradiction density, hedge frequency, and n-gram repetition (ERGO)
abstention_check
5-dimension confidence scoring — abstains with questions rather than hallucinating (RLAAR)
detect_drift
Detects conversation drift from the original intent
check_depth
Evaluates response depth against question complexity
get_state
Retrieve confirmed facts and task status
set_state
Lock in ground truth — subsequent conflict checks run against these values
clear_state
Reset specific keys or all state
+24 more tools listed on main page
Iai Personal Memory Engine Tools (9)
memory_recall
Cue-based recall — returns hits **and anti-hits**: memories that *contradict* the cue surface next to the ones that match, so a stale fact can't masquerade as current.
memory_temporal_recall
Time-anchored recall — *"what did I say about pricing in May?"*
memory_recall_structural
Retrieve by the *shape* of a memory (the HD substrate), not just its embedding.
memory_search
Plain text search over the store.
memory_capture
Write a memory explicitly (ambient capture normally does this for you).
memory_contradict
Record that a fact changed. The old version is archived, not erased — both stay retrievable. That's the Rescue@10 and historical-verbatim story in the [benchmarks](#benchmarks).
memory_reinforce
Strengthen a memory's recall pathways.
memory_consolidate
Run a consolidation pass now instead of waiting for idle.
profile_get_set
The eleven sealed procedural knobs the engine learns about you.